Fix typo in line 9 of test file
Fix typo in line 9 of test file

I changed the typo "restriced" to "restricted"
tommyschaefer/xruby,gchan/xruby,exercism/xruby,tommyschaefer/xruby,NeimadTL/ruby,kotp/xruby,Insti/exercism-ruby,NeimadTL/ruby,Insti/exercism-ruby,Insti/xruby,Insti/xruby,remcopeereboom/xruby,Insti/exercism-ruby,exercism/xruby,NeimadTL/ruby,remcopeereboom/xruby,gchan/xruby,kotp/xruby